4．The soldiers soon reached( )was once an old temple(　)the v

4．The soldiers soon reached( )was once an old temple(　)the villagers used as a school.
A.which;where B.what;which　C.where;which D.what;where答：选B,动词reach后接宾语从句,从句缺少宾语,为什么where不可?宾语从句用作宾语.如：　　Do you know where he lives 为什么可以用where,where不是副词吗为什么可做宾语